feat: allow nested fields in filter rules

packages/core/src/lib/util/__tests__/filter.util.spec.ts

@@ -64,6 +64,17 @@ describe('filterEntries', () => {
     },
   });
 
+  const mockNestedEntry = createMockEntry({
+    path: 'path/to/nested-object-field.md',
+    data: {
+      nested: {
+        object: {
+          field: 'yes',
+        },
+      },
+    },
+  });
+
   const entries: Entry[] = [
     mockEnglishEntry,
     mockFrenchEntry,
@@ -71,6 +82,7 @@ describe('filterEntries', () => {
     mockUnderscoreIndexEntry,
     mockRandomFileNameEntry,
     mockTags1and4Entry,
+    mockNestedEntry,
   ];
 
   describe('field rules', () => {
@@ -219,4 +231,12 @@ describe('filterEntries', () => {
       ).toEqual([mockUnderscoreIndexEntry]);
     });
   });
+
+  describe('nested fields', () => {
+    it('should filter based on multiple rules (must match all rules)', () => {
+      expect(filterEntries(entries, [{ field: 'nested.object.field', value: 'yes' }])).toEqual([
+        mockNestedEntry,
+      ]);
+    });
+  });
 });

packages/core/src/lib/util/filter.util.ts

@@ -1,9 +1,10 @@
 import { parse } from 'path';
+import get from 'lodash/get';
 
 import type { Entry, FieldFilterRule, FilterRule } from '@staticcms/core/interface';
 
 export function entryMatchesFieldRule(entry: Entry, filterRule: FieldFilterRule): boolean {
-  const fieldValue = entry.data?.[filterRule.field];
+  const fieldValue = get(entry.data, filterRule.field);
   if ('pattern' in filterRule) {
     if (Array.isArray(fieldValue)) {
       return Boolean(fieldValue.find(v => new RegExp(filterRule.pattern).test(String(v))));